Separating The Engine Case Halves - KTM 450 SX-F Repair Manual

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Separating the engine case halves

– Remove all screws from the housing.
– Remove both nuts on the engine holder in the universal engine work
stand.
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D
O NOT PRY THE CASE HALVES APART WITH A SCREWDRIVER OR SIMILAR TOOL
SINCE THIS WILL DAMAGE THE SEALING AREAS
– Remove the left case half, tapping with a plastic hammer if
necessary.
– Do not lose the stop disk
– Remove the dowels and fasten the engine case half to the universal
engine work stand with shims and nuts
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– Do not lose the dowel in the oil duct
– Remove the rollers
– Remove the shift rail
– Turn the shift forks to the side.
– Do not lose the rollers
– Remove the shift drum
– Mark the position of the shift forks and remove them.
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– Simultaneously remove both transmission shafts from the engine
case half.
– Remove the crankshaft.
– Unfasten the engine case half.
– Remove the engine case half from the universal engine work stand.
– Clean all parts and check for wear, replacing any worn parts.
NOTE: we recommend that all seals, shaft seal rings, O-rings and
bearings be replaced during a complete engine overhaul.
! CAUTION
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together with the springs.
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